condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.026187199999999997 0.0 0.0785616 Crozier 0.0 0.0 0.0 Rhizome 0.07229533333333334 0.0 0.216886 Root 21.28573666666667 0.0 56.1347